Because they're so small and light, it costs much less to get a CubeSat into Earth's orbit than a traditional communications or GPS satellite.

由于立方体卫星体积小、重量轻，将它们送入地球轨道的成本比传统通信或GPS卫星要低得多。

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Because they're so small and light, it costs much less to get a Cube Sat into Earth's orbit than a traditional communications or GPS satellite.

由于立方体卫星如此小而轻，与传统通讯或 GPS 卫星相比，将它送入地球轨道的成本要低得多。

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This is possible only because disk drives, while valuable, are small and light and so cost little to ship.

这之所以成为可能，只是因为磁盘驱动器虽然价值高，但体积小、重量轻，因此运输成本低。

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Light-emitting diodes are small glass lamps that use much less electricity than traditional bulbs and last much longer.

VOA: special.2009.12.21

Apple responds that many of its products (such as the iPod music-player) are small and light.

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The Striiv Play is also small and light, but its clip is permanently attached.

WSJ: Keeping Fit, One Step at a Time

If you are small and light, getting into the air from land is fairly easy.

ECONOMIST: Aerobiology